Answered: Calculate and record the average…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Calculate and record the average density of a penny (in g/mL) that is made after 1982. 95 percent copper and 5 percent zinc made up the composition of pennies before 1982.

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Step 1

• Here, for the calculation of the average density of penny that is made after 1982 we required to calculate the average density seperately e.g. average density before and after 1982.

• We know, before 1982 the composition of penny was 95% copper and 5% zinc but in 1982 the composition changed to 97.5% zinc and 2.5% copper.

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